diff options
Diffstat (limited to 'libcxx/include/thread')
| -rw-r--r-- | libcxx/include/thread | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libcxx/include/thread b/libcxx/include/thread index 1f1e4a2b945..808d76b82a0 100644 --- a/libcxx/include/thread +++ b/libcxx/include/thread @@ -106,6 +106,10 @@ void sleep_for(const chrono::duration<Rep, Period>& rel_time); #define __STDCPP_THREADS__ __cplusplus +#ifdef _LIBCPP_HAS_NO_THREADS +#error <thread> is not supported on this single threaded system +#else // !_LIBCPP_HAS_NO_THREADS + _LIBCPP_BEGIN_NAMESPACE_STD template <class _Tp> @@ -455,4 +459,6 @@ void yield() _NOEXCEPT {sched_yield();} _LIBCPP_END_NAMESPACE_STD +#endif // !_LIBCPP_HAS_NO_THREADS + #endif // _LIBCPP_THREAD |
